AD 80-13-14

final rule

Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes

AD Number
80-13-14
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Unknown
FR Citation
This information is not available.

Applicability

TypeManufacturerModelDetails
aircraft Cessna Aircraft Company 310R Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes
aircraft Cessna Aircraft Company 335 Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes
aircraft Cessna Aircraft Company 340A Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes
aircraft Cessna Aircraft Company 402C Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes
aircraft Cessna Aircraft Company 404 Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes
aircraft Cessna Aircraft Company 414A Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes
aircraft Cessna Aircraft Company 421C Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes

Unsafe Condition

Failure of the fuel flow transducer and resultant leakage of fuel within the engine compartment.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

Inspect Cessna P/N 9910395-9 fuel flow transducer on each engine for serial number. Replace transducer if its serial number is within 2364 through 2930. Reinstall engine cowling and make prescribed entry in aircraft maintenance record.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

prior to further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 421C airplanes with specific serial numbers listed in the AD.

AI-generated summary from the source AD text. Verify against the official source before acting.

Federal Register Abstract

Fuel Flow Transducer

Applicability Source Text

Show captured applicability text from the source AD
AD Final Rules - DRS_80-13-14.html
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AD Number:
80-13-14
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes
Subject:
Fuel Flow Transducer
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/22/1980
Make:
Cessna Aircraft Company
Model:
310R | 335 | 340A | 402C | 404 | 414A | 421C
Product Type:
Aircraft
Product Subtype:
Small Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 80-13-14
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3844

AD NUMBER:   80-13-14

SUBJECT HEADING:   Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective July 22, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-13-14 CESSNA: Amendment 39-3844. Applies to the following Model 310R, 335, 340A, 402C, 404, 414A, and 42lC airplanes certificated in all categories:

Model	Serial Number
310R	1865
335	0044, 0049, 0052, and 0059
340A	0959, 0961, 0962, 0967, 0972, 0978, 0982, 0983, 0984, 0985, 0998, 1002, 1003, 1012, 1014, and 1019
402C	0259, 0263, 0275, 0283, and 0288
404	0612, 0620, 0623, and 0628,
414A	0457, 0458, 0463, 0464, 0466, 0469, 0470, 0472, 0475, 0476, 0482, 0483, 0486, 0487, 0490, 0495, and 0497
421C	0823 through 0866, 0869, and 0870

COMPLIANCE: Required as indicated unless already accomplished.

To preclude failure of the fuel flow transducer and resultant leakage of fuel within the engine compartment, prior to further flight accomplish the following on both engines:

A) Remove engine cowling and inspect Cessna P/N 9910395-9 (Aerosonics Corp 33184-2) fuel flow transducer on each engine for serial number.

B) If the P/N 9910395-9 transducer has a serial number included in the block 2364 through 2930, replace the transducer prior to further flight with a transducer whose serial number is not included in the block 2364 through 2930, reinstall the engine cowling, and accomplish Item D of this AD.

C) If the P/N 9910395-9 transducer serial number is not included in block 2364 through 2930, reinstall the engine cowling, and accomplish Item D of this AD.

D) Make the prescribed entry in the aircraft maintenance record indicating compliance with this AD when B, or C has been accomplished.

E) Any equivalent method of compliance with this AD must be approved by the Chief, Aircraft Certification Program, Federal Aviation Administration, Room 238, Terminal Building No. 2299, Mid-Continent Airport, Wichita, Kansas 67209.

This amendment becomes effective on July 22, 1980, to all persons except those to whom it has already been made effective by an airmail letter from the FAA dated June 24, 1980.

FOOTER:

Document Text

Show stored source text (verify against official source)
AD Final Rules - DRS_80-13-14.html
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Print/Save as PDF
Document Versions
 Feedback
Details
AD Number:
80-13-14
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes
Subject:
Fuel Flow Transducer
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/22/1980
Make:
Cessna Aircraft Company
Model:
310R | 335 | 340A | 402C | 404 | 414A | 421C
Product Type:
Aircraft
Product Subtype:
Small Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 80-13-14
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-3844

AD NUMBER:   80-13-14

SUBJECT HEADING:   Airworthiness Directives; Cessna Model 310R, 335, 340A, 402C, 404, 414A, and 42lC Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective July 22, 1980.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:  
80-13-14 CESSNA: Amendment 39-3844. Applies to the following Model 310R, 335, 340A, 402C, 404, 414A, and 42lC airplanes certificated in all categories:

Model	Serial Number
310R	1865
335	0044, 0049, 0052, and 0059
340A	0959, 0961, 0962, 0967, 0972, 0978, 0982, 0983, 0984, 0985, 0998, 1002, 1003, 1012, 1014, and 1019
402C	0259, 0263, 0275, 0283, and 0288
404	0612, 0620, 0623, and 0628,
414A	0457, 0458, 0463, 0464, 0466, 0469, 0470, 0472, 0475, 0476, 0482, 0483, 0486, 0487, 0490, 0495, and 0497
421C	0823 through 0866, 0869, and 0870

COMPLIANCE: Required as indicated unless already accomplished.

To preclude failure of the fuel flow transducer and resultant leakage of fuel within the engine compartment, prior to further flight accomplish the following on both engines:

A) Remove engine cowling and inspect Cessna P/N 9910395-9 (Aerosonics Corp 33184-2) fuel flow transducer on each engine for serial number.

B) If the P/N 9910395-9 transducer has a serial number included in the block 2364 through 2930, replace the transducer prior to further flight with a transducer whose serial number is not included in the block 2364 through 2930, reinstall the engine cowling, and accomplish Item D of this AD.

C) If the P/N 9910395-9 transducer serial number is not included in block 2364 through 2930, reinstall the engine cowling, and accomplish Item D of this AD.

D) Make the prescribed entry in the aircraft maintenance record indicating compliance with this AD when B, or C has been accomplished.

E) Any equivalent method of compliance with this AD must be approved by the Chief, Aircraft Certification Program, Federal Aviation Administration, Room 238, Terminal Building No. 2299, Mid-Continent Airport, Wichita, Kansas 67209.

This amendment becomes effective on July 22, 1980, to all persons except those to whom it has already been made effective by an airmail letter from the FAA dated June 24, 1980.

FOOTER:

Source: Official FAA Source ↗

Retrieved: Apr 8, 2026

Rights: U.S. Government Public Domain

This site is not affiliated with or endorsed by the FAA. Always verify with official sources.